Home / 18,313.20-25,274.16-14,068.80

Finding the Fourth Proportional to 18,313.20, 25,274.16 and 14,068.80

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Solution

The fourth proportional to 18,313.20, 25,274.16 and 14,068.80 is: 19,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313.20 : 25,274.16 = 14,068.80 : x
  2. Step 2: Convert to fraction form
    18,313.20/25,274.16 = 14,068.80/x
  3. Step 3: Cross multiply
    18,313.20x = 25,274.16 × 14,068.80
  4. Step 4: Simplify right side
    18,313.20x = 355,577,102.21
  5. Step 5: Solve for x
    x = 355,577,102.21/18,313.20
  6. Step 6: Final answer
    x = 19,416.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.